libsanitizer/tsan/tsan_mman.h

   1 //===-- tsan_mman.h ---------------------------------------------*- C++ -*-===//
   2 //
   3 // This file is distributed under the University of Illinois Open Source
   4 // License. See LICENSE.TXT for details.
   5 //
   6 //===----------------------------------------------------------------------===//
   7 //
   8 // This file is a part of ThreadSanitizer (TSan), a race detector.
   9 //
  10 //===----------------------------------------------------------------------===//
  11 #ifndef TSAN_MMAN_H
  12 #define TSAN_MMAN_H
  13
  14 #include "tsan_defs.h"
  15
  16 namespace __tsan {
  17
  18 const uptr kDefaultAlignment = 16;
  19
  20 void InitializeAllocator();
  21 void AllocatorThreadStart(ThreadState *thr);
  22 void AllocatorThreadFinish(ThreadState *thr);
  23 void AllocatorPrintStats();
  24
  25 // For user allocations.
  26 void *user_alloc(ThreadState *thr, uptr pc, uptr sz,
  27                  uptr align = kDefaultAlignment);
  28 // Does not accept NULL.
  29 void user_free(ThreadState *thr, uptr pc, void *p);
  30 void *user_realloc(ThreadState *thr, uptr pc, void *p, uptr sz);
  31 void *user_alloc_aligned(ThreadState *thr, uptr pc, uptr sz, uptr align);
  32 // Given the pointer p into a valid allocated block,
  33 // returns the descriptor of the block.
  34 MBlock *user_mblock(ThreadState *thr, void *p);
  35
  36 // Invoking malloc/free hooks that may be installed by the user.
  37 void invoke_malloc_hook(void *ptr, uptr size);
  38 void invoke_free_hook(void *ptr);
  39
  40 enum MBlockType {
  41   MBlockScopedBuf,
  42   MBlockString,
  43   MBlockStackTrace,
  44   MBlockShadowStack,
  45   MBlockSync,
  46   MBlockClock,
  47   MBlockThreadContex,
  48   MBlockDeadInfo,
  49   MBlockRacyStacks,
  50   MBlockRacyAddresses,
  51   MBlockAtExit,
  52   MBlockFlag,
  53   MBlockReport,
  54   MBlockReportMop,
  55   MBlockReportThread,
  56   MBlockReportMutex,
  57   MBlockReportLoc,
  58   MBlockReportStack,
  59   MBlockSuppression,
  60   MBlockExpectRace,
  61   MBlockSignal,
  62   MBlockFD,
  63
  64   // This must be the last.
  65   MBlockTypeCount
  66 };
  67
  68 // For internal data structures.
  69 void *internal_alloc(MBlockType typ, uptr sz);
  70 void internal_free(void *p);
  71
  72 template<typename T>
  73 void DestroyAndFree(T *&p) {
  74   p->~T();
  75   internal_free(p);
  76   p = 0;
  77 }
  78
  79 }  // namespace __tsan
  80 #endif  // TSAN_MMAN_H